Updated sample context files to point at 2.0.1 schema

samples/preauth/src/main/webapp/WEB-INF/applicationContext-security.xml

@@ -10,7 +10,7 @@
     xmlns:sec="http://www.springframework.org/schema/security"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
-                        http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-2.0.xsd">
+                        http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-2.0.1.xsd">
 
     <bean id="filterChainProxy" class="org.springframework.security.util.FilterChainProxy">
         <sec:filter-chain-map path-type="ant">